CN213943081U - Anhydrous anaerobic reaction device for experiments - Google Patents

Abstract

The utility model relates to an anhydrous anaerobic reaction device for experiments, which comprises a reaction bottle, a reaction protection container, a pressure reducing valve and an inert gas source, wherein the reaction bottle comprises a first interface and a second interface, the first interface is externally connected with a condenser pipe, and the second interface extends into the reaction protection container; the upper and lower ends of the reaction protection container are respectively provided with a sealing cover and a connecting hole, the second interface is communicated with the connecting hole and extends into the reaction protection container, a detachable rubber plug is arranged on the second interface, the side of the reaction protection container is also respectively provided with an air inlet and an air outlet, the air inlet is connected with the inert gas source, and the air outlet is connected with the pressure reducing valve. The utility model discloses simple structure, the operation of being convenient for, the device is small, and occupation space is not suitable for the interior small-size experiment of laboratory, can be so that the second interface of reaction flask is under the inert gas protection all the time, guarantees that the experimental result precision is not influenced.

Description

Anhydrous anaerobic reaction device for experiments

Technical Field

The utility model relates to a vacuum apparatus technical field especially relates to an anhydrous anaerobic reaction device for experiments.

Background

Some special compounds exist in chemical varieties, which are air-sensitive substances and are mainly easy to react with water or oxygen in the air, so that the synthesis, separation, purification, analysis and identification of the compounds need to be carried out under anhydrous and anaerobic conditions by using special instruments and anhydrous and anaerobic operation technologies.

In the prior art, the reaction device is placed in the glove box to perform anhydrous anaerobic operation by designing the glove box, but the glove box is large in size, needs a large placing space and has space requirements for a laboratory, and when a common small-sized experiment is performed in the laboratory, the glove box is also used, so that a large amount of inert gas needs to be filled in the glove box to ensure an anhydrous anaerobic operation environment, and resources are wasted. Meanwhile, an anhydrous anaerobic reaction bottle is designed in the prior art, but when reaction substances are added into the reaction bottle in the process of using the anhydrous anaerobic reaction bottle, the bottle mouth cannot be completely protected under inert gas, and the experimental result is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an experimental anhydrous anaerobic reaction device.

In order to achieve the above purpose, the utility model adopts the following technical scheme: an anhydrous anaerobic reaction device for experiments comprises a reaction bottle, a reaction protection container, a pressure reducing valve and an inert gas source, wherein the reaction bottle comprises a first interface and a second interface, the first interface is externally connected with a condenser pipe, and the second interface extends into the reaction protection container; the upper and lower ends of the reaction protection container are respectively provided with a sealing cover and a connecting hole, the sealing cover corresponds to the connecting hole, the second interface passes through the connecting hole is communicated with and extends to the interior of the reaction protection container, a detachable rubber plug is arranged on the second interface, the side of the reaction protection container is also respectively provided with an air inlet and an air outlet, the air inlet is connected with the inert gas source, and the air outlet is connected with the pressure reducing valve.

Preferably, the connecting hole is provided with a sealing groove circumferentially arranged along the connecting hole, a rubber ring is arranged in the sealing groove, the second interface extends into the reaction protection container, and the rubber ring is attached to the outer wall surface of the second interface.

Preferably, the inert gas source is nitrogen.

Preferably, the sealing cover is provided with a switch lock, and the switch lock is arranged close to the edge of the sealing cover.

Preferably, the sealing cover is hinged to the reaction protection container, an opening corresponding to the sealing cover is formed in the reaction protection container, an annular groove is formed in the edge of the opening, a sealing ring is arranged in the annular groove, and the sealing cover covers the opening and tightly presses the sealing ring.

Preferably, the switch lock is including being located certainly sealed lid top extends its below rotate the piece, the lower part fixedly connected with horizontal pole that rotates the piece, the horizontal pole is located sealed lid below, the both ends of horizontal pole all are equipped with the rubber ball, it is equipped with the spring part to rotate the cover, the spring part is located the top of sealed lid, its lower extreme supports and leans on sealed covering, at least one the rubber ball supports and leans on all the time the internal face of sealed lid.

Compared with the prior art, the beneficial effects of the utility model are that: connect in reaction protection container through the reaction flask that sets up, the second interface extends inside reaction protection container, when injecting reaction material into the reaction flask, open sealed lid and stretch into in reaction protection container through the opening, add the reactant to the reaction flask through the second interface, close sealed lid again, open the air inlet, to filling into inert gas in the reaction protection container, utilize the air in the relief pressure valve discharge reaction protection container that the gas outlet set up, make to be full of inert protective gas in the reaction protection container, make the second interface of reaction flask under inert gas protects all the time, guarantee that the experiment result precision is not influenced.

The utility model discloses simple structure, the operation of being convenient for, the device is small, and occupation space is not suitable for the interior small-size experiment of laboratory, and extravagant resource guarantees experiment effect and precision.

Drawings

Fig. 1 is a schematic sectional structure of the present invention;

fig. 2 is a partially enlarged structural view of fig. 1.

In the figure: 1. a reaction bottle; 11. a first interface; 12. a second interface; 2. a reaction protection container; 21. a sealing cover; 22. connecting holes; 221. a sealing groove; 23. an air inlet; 24. an air outlet; 25. an opening; 251. an annular groove; 3. a pressure reducing valve; 4. an inert gas source; 5. a condenser tube; 6. a rubber plug; 7. a rubber ring; 8. opening and closing a lock; 81. a rotating member; 82. a cross bar; 83. a rubber ball; 84. a spring member; 9. and (5) sealing rings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: an anhydrous anaerobic reaction device for experiments comprises a reaction bottle 1, a reaction protection container 2, a pressure reducing valve 3 and an inert gas source 4, wherein the reaction bottle 1 comprises a first connector 11 and a second connector 12, the first connector 11 is externally connected with a condenser pipe 5, and the second connector 12 extends into the reaction protection container 2; the lower extreme is equipped with sealed lid 21 and connecting hole 22 respectively about the reaction protection container 2, sealed lid 21 with connecting hole 22 corresponds, is convenient for add reaction material in 1 to the reaction flask through sealed lid 21, second interface 12 passes through connecting hole 22 intercommunication extends to in the reaction protection container 2, be equipped with on the second interface 12 and dismantle rubber buffer 6, the side of reaction protection container 2 still is equipped with air inlet 23 and gas outlet 24 respectively, air inlet 23 is connected inert gas air supply 4, gas outlet 24 is connected relief pressure valve 3, inert gas air supply 4 is nitrogen gas.

Connect in reaction protection container 2 through reaction bottle 1 that sets up, second interface 12 extends inside reaction protection container 2, condenser pipe 5 is connected on first interface 11, when pouring into reactant into reaction material in reaction bottle 1, open sealed lid 21 and stretch into in reaction protection container 2 through the opening, add the reactant to reaction bottle 1 through second interface 12, available syringe passes rubber buffer 6 and adds the reactant in to the reaction bottle, close sealed lid 21 again, open air inlet 23, fill into nitrogen gas in reaction protection container 2 through air inlet 23, utilize the air in the 3 discharge reaction protection container 2 of relief pressure valve that air outlet 24 set up, make and be full of nitrogen gas in reaction protection container 2, make reaction bottle 1's second interface 12 react under the nitrogen protection all the time, it is not influenced to guarantee the experiment result precision.

Connecting hole 22 department is equipped with along the seal groove 221 that connecting hole 22 circumference set up, be equipped with rubber circle 7 in the seal groove 221, second interface 12 extends to in the reaction protection container 2, the laminating of rubber circle 7 the outer wall of second interface 12, the diameter of second interface 12 reduces from the root to its tip gradually, stretches into to the reaction protection container 2 in through connecting hole 22 when second interface 12, and second interface 12 inserts on connecting hole 22, and rubber circle 7 closely laminates at the outer wall of second interface 12, has guaranteed the leakproofness that second interface 12 and reaction protection container 2 are connected on the reaction bottle 1.

As shown in fig. 2, in this embodiment, a switch lock 8 is disposed on the sealing cover 21, the switch lock 8 is disposed near an edge of the sealing cover 21, the switch lock 8 includes a rotating member 81 extending from the upper side of the sealing cover 21 to the lower side thereof, a cross bar 82 is fixedly connected to the lower portion of the rotating member 81, the cross bar 82 is disposed below the sealing cover 21, rubber balls 83 are disposed at two ends of the cross bar 82, a spring member 84 is sleeved on the rotating member 81, the spring member 84 is disposed above the sealing cover 21, the lower end thereof abuts against the sealing cover 21, at least one of the rubber balls 83 always abuts against an inner wall surface of the sealing cover 21, when the sealing cover 21 is opened or closed, the rotating member 81 is rotated, the cross bar 82 rotates along with the rotation of the rotating member 81, and the rubber ball 83 on the cross bar 82 moves along an inner wall surface of the sealing cover 21 or an inner wall surface of the reaction protection container 2, when the rubber balls 83 at the two ends of the cross rod 82 are both positioned on the inner wall surface of the sealing cover 21, the sealing cover 21 is opened; when the rubber ball 83 at one end of the cross rod 82 is located on the inner wall surface of the sealing cover 21 and the rubber ball 83 at the other end of the cross rod 82 is located on the inner wall surface of the reaction protection container 2, the sealing cover 21 is closed, the rotating member 81 is pushed to be upward all the time under the elastic pressure of the spring member 84, the cross rod 82 connected to the lower part of the rotating member 81 is pushed upward all the time, and then the rubber balls 83 installed at the two ends of the cross rod 82 are abutted against the inner wall of the sealing cover 21 all the time.

The sealing cover 21 is hinged to the reaction protection container 2, the reaction protection container 2 is provided with an opening 25 corresponding to the sealing cover 21, an annular groove 251 is formed in the edge of the opening 25 in the circumferential direction, a sealing ring 9 is arranged in the annular groove 251, and when the sealing cover 21 is closed, the sealing cover 21 covers the opening and compresses the sealing ring 9, so that the sealing performance of the reaction protection container 2 is guaranteed, the reaction environment of the reaction bottle 1 is not affected, and the reaction precision of an experiment is guaranteed.

It should be noted that the device structure and the accompanying drawings of the present invention mainly describe the principle of the present invention, and in the technology of this design principle, the settings of the power mechanism, the power supply system, the control system, etc. of the device are not completely described, and the details of the power mechanism, the power supply system, and the control system can be clearly known on the premise that those skilled in the art understand the principle of the present invention.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. The anhydrous anaerobic reaction device for experiments is characterized by comprising a reaction bottle, a reaction protection container, a pressure reducing valve and an inert gas source, wherein the reaction bottle comprises a first interface and a second interface, the first interface is externally connected with a condensing pipe, and the second interface extends into the reaction protection container; the upper and lower ends of the reaction protection container are respectively provided with a sealing cover and a connecting hole, the sealing cover corresponds to the connecting hole, the second interface passes through the connecting hole is communicated with and extends to the interior of the reaction protection container, a detachable rubber plug is arranged on the second interface, the side of the reaction protection container is also respectively provided with an air inlet and an air outlet, the air inlet is connected with the inert gas source, and the air outlet is connected with the pressure reducing valve.

2. The anhydrous anaerobic reaction device as claimed in claim 1, wherein the connecting hole is provided with a sealing groove arranged along the circumferential direction of the connecting hole, a rubber ring is arranged in the sealing groove, and the rubber ring is attached to the outer wall surface of the second interface.

3. The anhydrous anaerobic reaction device according to claim 1, wherein the inert gas source is nitrogen.

4. The anaerobic anhydrous reaction device as claimed in claim 1, wherein the sealing cover is provided with a switch lock, and the switch lock is disposed near the edge of the sealing cover.

5. The anaerobic anhydrous reaction device as claimed in claim 4, wherein the sealing cover is hinged to the reaction protection container, the reaction protection container is provided with an opening corresponding to the sealing cover, an annular groove is provided along the edge of the opening, a sealing ring is provided in the annular groove, and the sealing cover covers the opening and presses the sealing ring.

6. The anaerobic anhydrous reaction device as claimed in claim 4, wherein the switch lock comprises a rotating member extending from the top of the sealing cover to the bottom thereof, a cross bar is fixedly connected to the bottom of the rotating member, the cross bar is located below the sealing cover, rubber balls are arranged at both ends of the cross bar, a spring member is sleeved on the rotating member, the spring member is located above the sealing cover, the lower end of the spring member abuts against the sealing cover, and at least one of the rubber balls always abuts against the inner wall surface of the sealing cover.

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